Learn how to say Sweetness correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word sweetness:
the fact or state of having or denoting a pleasant taste like that of sugar ⇒ Florida oranges have a natural sweetness.
(of wine, etc) the fact or state of having a relatively high sugar content
freedom from unpleasant odours
(of a sound) a pleasant, smooth, and gentle quality
(of a person) the fact or state of being pleasant, kind, and gentle towards other people ⇒ He possessed great generosity and sweetness.
(literary) the fact or state of giving you great pleasure and satisfaction